| Guyancourt to Orvault | 199.76 mi (321.48 km) |
| Guyancourt to Osny | 19.89 mi (32.01 km) |
| Guyancourt to Ostwald | 257.77 mi (414.84 km) |
| Guyancourt to Ouistreham | 111.33 mi (179.17 km) |
| Guyancourt to Oullins | 247.04 mi (397.57 km) |
| Guyancourt to Outreau | 135.23 mi (217.63 km) |
| Guyancourt to Oyonnax | 241.07 mi (387.97 km) |
| Guyancourt to Ozoir-la-Ferriere | 27.60 mi (44.42 km) |
| Guyancourt to Pace | 181.47 mi (292.05 km) |
| Guyancourt to Palaiseau | 8.76 mi (14.10 km) |
| Guyancourt to Pamiers | 391.35 mi (629.82 km) |
| Guyancourt to Panazol | 205.75 mi (331.12 km) |
| Guyancourt to Pantin | 17.24 mi (27.74 km) |
| Guyancourt to Paray-le-Monial | 186.48 mi (300.10 km) |
| Guyancourt to Parempuyre | 292.80 mi (471.22 km) |
